干密度

  • 网络dry density;Ash-free bulk density
干密度干密度
  1. 随着干密度ρd的增大,土体的抗拉强度σt和拉伸模量Et都得到提高,随着含水率ω的增大,抗拉强度σt先提高后衰减。

    With increasing the dry density , the tensile strength increasing ;

  2. 通过击实试验、承载比试验,得出了红层泥岩试样的最优含水量及最大干密度的关系,以及CBR值。

    The relationship of the red mudstone among the optimum water content and maximum dry density and CBR value can be obtain .

  3. 不同浸渍时间对辐照后杨木气干密度、24h吸水率的影响

    Effects of a Different Dipping Time to Air-dry Density and 24-hour Water Absorption by Irradiation MMA into Poplar

  4. 研究结果表明,膨胀性泥页岩填料的承载比(CBR)和回弹模量主要受制样含水量及干密度的控制;

    The results have shown that the CBR and resilience modulus of expansive shale were mainly controlled by moisture content and dry density .

  5. 该研究利用X射线测定三倍体毛白杨木材各无性系气干密度,通过适当的数学模型,利用计算机可视化技术对木材密度的分布进行可视化分析,得到了木材横切面密度二维分布图。

    This study uses X ray to measure wood density of triploid clones of Populus tomentosa Carr . Based on suitable mathematical model , the distribution of wood density was analyzed by cumputer visible technology .

  6. 与含水量ω、干密度γd及饱和度sr的关系,以及强度与膨胀压力p之间的关系,结果表明:c,tan?

    And dry density γ d , degree of saturation sr , water content ω, strength and swelling pressure p of expansive soil are researched . The results show that the relationship between c , tan ?

  7. 用在干密度一定的条件下,对三种不同含水量的南、北疆沙样做了直剪试验,确定了含水量对抗剪强度指标c、φ值的影响。

    When the dry density of three kind of sand sample of south Xinjiang and north Xinjiang are certain , which have different moisture content , through the straight scissors test , the effect of moisture content to the index of shear strength of c and is analyzed .

  8. 对GCL中常用的膨润土微观结构特征进行定量研究,分析孔隙分布和形态特征等随干密度和孔隙溶液浓度的变化规律。

    The bentonite microstructure characteristics , such as distribution and roughness of pore , apparent porosity and intraparticle void ratio , were studied quantitatively .

  9. 建立了ISS加固土最大干密度与闷料时间、ISS石灰加固土强度与压实度的关系式。

    The relation between the maximum dry density and the enclosing material time period , as well as that between the strength and the compaction degree of the strengthening soil was finally established .

  10. 为保证面板堆石坝(CFRD)的填筑干密度达到设计标准,爆破开采的坝料有严格的块度和级配要求。

    Rigorous criteria are demanded on fragmentation and grade of Concrete Face Rock-fill Dam ( CFRD ) construction materials in order to meet the designed requirements of density .

  11. 用SRA可降低因延迟压实对水泥稳定粒料基层的强度和干密度的影响,可把延迟成型时间延长到9h;

    The influence of compacting delay on strength and dry density of road base may be reduced by SRA additive , forming time may be delayed to 9h ;

  12. 结果表明:EN-1固化剂可显著增大土壤干密度,提高土壤抗剪强度和抗渗性,改善黄土的工程性能;

    The result indicated that EN-1 solidifying agent can remarkably increase the dry density , shear strength and impermeability ; improve the loess mechanical properties .

  13. 中山杉与落羽杉树干上段(3.3~5.3m)木材的基本密度、气干密度、抗弯强度和抗弯弹性模量均低于下段(1.3~3.3m);

    The basic density , air-dry density , bending strength and modulus of elasticity of the two species of wood from the lower part of trunk are lower .

  14. 其次,采用原状土样进行室内常规三轴试验及侧限压缩试验,确定试验参数,代入前述理论公式,借助FORTRAN语言计算桩间土土体应力及其干密度,得出了一些结论;

    Second , according to the parameters based on the common tri-axial compression and lateral confinement compression test on the undisturbed soil sample , this paper calculate the soil stress between piles and dry density on the use of FORTRAN program , thus make some important conclusions .

  15. 本文介绍HEI绝热材料的研究过程,对水泥-泡沫颗粒比对HEI绝热材料的强度、干密度和吸水率等材性的影响进行了讨论。

    The process of research on the high efficient thermal isolated ( HEI ) material is introduced , the effects of cement polystyrene foam grain ration on strength , dry density and water absorption ratio of HEI material are discussed in this paper .

  16. 本文详细分析了MSW三相的压缩物理力学特征,特别考察了压缩过程中固相内部气体对MSW干密度的显著影响,并建立了一个压缩模型。

    This thesis also discusses the compression characteristics of MSW , and analyses the mechanical property of solid phase of MSW , specially considering the effect of the gas that trapped in solid phase content on bulk density . A theoretical model is established to simulate the experiment procedue .

  17. 结果表明ISS加固土的最大干密度随闷料时间的增长而增大,从而可以增大其承载力;加固土含水量对干密度的影响因固化剂而异。

    The analytical results indicate that the maximum dry density of ISS strengthening soil increases with the enclosing material time periods , which causes the improvement of bearing capacity , while the effect of the water content of strengthening soil on dry density varies with soil consolidation agent .

  18. 影响因子对内摩擦角φ的影响大小依次为:不均匀系数Cu>小于0.001mm黏粒含量>天然含水率>干密度>有机质含量>根密度;

    The order of the effects of the influence factors on friction angle is coefficient of uniformity Cu > less than 0.001 mm clay content > natural water content > dry density > organic content > root density ;

  19. 粗粒料压实干密度无损检测试验研究

    Study on Non-Damage Detection of Dry Density of Rough Aggregate Materials

  20. 超粒径土石混合料最大干密度的试验研究

    A Study on Maximum Dry Density Test of Oversized Earth-Rock Mixture

  21. 填料最大干密度的曲线拟合解

    Maximum Dry Density 's Curve Fitting Method Solution of Filling Material

  22. 不同干密度非饱和膨胀土的三轴试验研究

    Triaxial tests on unsaturated expansive soils with different initial dry densities

  23. 基层材料最佳含水量和最大干密度的确定方法探讨

    The Best Base Material Water Content and Maximum Dry Density Determination

  24. 最大干密度和最优含水率的准确性探讨

    Discussion on precision of biggest dry density and optimum water content

  25. 超径粗颗粒土最大干密度的确定方法

    Method for Determining Maximum Dry Density of Oversize Coarse-grained Soil

  26. 松干密度的测定及其在灰土地基质量控制中的作用

    Effect of loose dry density on process of quality control of lime-soil

  27. 级配较好的土,沉积后的干密度较大;

    Well graded soil will has the larger dry density after sedimentation ?

  28. 沙粒形状对泥沙干密度影响初探

    Influence of sand grain shapes on dry density of sediment

  29. 碾压试验确定回填料最大干密度

    Gaining the Maximum Dry Density of Fill by Compacting Test

  30. 浅谈确定二灰稳定砂砾最大干密度的方法

    Determination of maximum dry density of lime-fly ash stabilized gravels